Perhaps you should try some spelling variations:
spawning patterns » learning patterns (Expand search), stacking patterns (Expand search), training patterns (Expand search)
decrease spawning » release spawning (Expand search), decrease walking (Expand search), decrease owing (Expand search)
decreases sperm » decreased sperm (Expand search), decreases serum (Expand search), decreasing sperm (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (Expand search)
sperm decrease » term decrease (Expand search), speed decrease (Expand search), speed decreases (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease their decrease to decrease ) OR ( decreases sperm decrease spawning patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their decrease to decrease ) OR ( decreases sperm decrease spawning patterns ))*.